Spin your way to victory with this silky-smooth ceramic bottom bracket designed specifically for your Trek frame. It makes installing your favorite Shimano or 24mm crankset a total breeze without any mechanical headaches. You will love the reduced friction and incredible power transfer that keeps you flying down the road. This durable upgrade is the secret to a quieter, faster, and much more efficient cycling experience.


                  

                    
                      

                        
Bearing Type
                        
Ceramic
                      
                    
                      

                        
Spindle Compatibility
                        
0.94 in (Shimano 24mm)
                      
                    
                      

                        
Frame Standard
                        
T47 (Trek Specific)
                      
                    
                      

                        
Material
                        
High-Grade Aluminum (estimated): true
                      
                    
                      

                        
Shell Width
                        
3.37 in (estimated): true
                      
                    
                      

                        
Manufacturer Part Number
                        
SRC-BT-T4724TB
                      
                    
                      

                        
Unit
                        
Each